86944871285 has 16 divisors (see below), whose sum is σ = 108882731520. Its totient is φ = 66524008320.

The previous prime is 86944871249. The next prime is 86944871303. The reversal of 86944871285 is 58217844968.

It is not a de Polignac number, because 86944871285 - 2²² = 86940676981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075220 + ... + 1153250.

It is an arithmetic number, because the mean of its divisors is an integer number (6805170720).

Almost surely, 2^86944871285 is an apocalyptic number.

It is an amenable number.

86944871285 is a deficient number, since it is larger than the sum of its proper divisors (21937860235).

86944871285 is a wasteful number, since it uses less digits than its factorization.

86944871285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87748.

The product of its digits is 30965760, while the sum is 62.

The spelling of 86944871285 in words is "eighty-six billion, nine hundred forty-four million, eight hundred seventy-one thousand, two hundred eighty-five".